Finding the Third Proportional to 21,015,466 and 45,603,144

Step by Step Solution

1. Step 1: Write the proportion equation
   21,015,466 : 45,603,144 = 45,603,144 : x
2. Step 2: Convert to fraction form
   21,015,466/45,603,144 = 45,603,144/x
3. Step 3: Cross multiply
   21,015,466x = 45,603,144 × 45,603,144
4. Step 4: Simplify right side
   21,015,466x = 2,079,646,742,684,736
5. Step 5: Solve for x
   x = 2,079,646,742,684,736/21,015,466
6. Step 6: Final answer
   x = 98,957,917.12